PartsTable
Technical Data Sheet
644641-5 ✓ Verified by PartsTable
· GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The TSECKG40 KEY GENERATRONIC is a the manufacturer industrial component. Key specifications include seat_angle: 37.0 DEGREES FIRST END, connection_style: FLARED (TUBE) FIRST END, style_designator: "Y" ANGLE, thread_direction: RIGHT-HAND FIRST END, aperture_diameter: 0.750 INCHES NOMINAL IN, operating_pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-027-9094, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
644641-5
NSN: 4810-00-027-9094
FSC: 4810
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
seat_angle37.0 DEGREES FIRST END
connection_styleFLARED (TUBE) FIRST END
style_designator"Y" ANGLE
thread_directionRIGHT-HAND FIRST END
aperture_diameter0.750 INCHES NOMINAL IN
operating_pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_devicePOPPET
nominal_thread_size1.500 INCHES FIRST END IN
maximum_operating_temp550.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAIR
media_for_which_designedAIR SINGLE RESPONSE
thread_quantity_per_inch12 FIRST END
NSN4810-00-027-9094
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 644641-5 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
FLOW CONTROL DEVICE: POPPET
SEAT ANGLE: 37.0 DEGREES FIRST END
VOLTAGE IN VOLTS AND CURRENT TYPE: 26.5 DC
STYLE DESIGNATOR: "Y" ANGLE
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.750 INCHES FIRST END IN
VALVE OPERATION METHOD: AIR
THREAD QUANTITY PER INCH: 12 FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
FLOW CONTROL DEVICEPOPPET
SEAT ANGLE37.0 DEGREES FIRST END
VOLTAGE IN VOLTS AND CURRENT TYPE26.5 DC
STYLE DESIGNATOR"Y" ANGLE
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES FIRST END IN
VALVE OPERATION METHODAIR
THREAD QUANTITY PER INCH12 FIRST END
CONNECTION STYLEFLARED (TUBE) FIRST END
NOMINAL THREAD SIZE1.500 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
7520-00-051-5033Interchangeable
interchangeable cross-reference
interchangeable
16002Interchangeable
interchangeable cross-reference
interchangeable
K16 REDInterchangeable
interchangeable cross-reference
interchangeable
5080-0681Interchangeable
interchangeable cross-reference
interchangeable
12AU7AGEDInterchangeable
interchangeable cross-reference
interchangeable
22032-0Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 644641-5?
644641-5 is a TSECKG40 KEY GENERATRONIC.
What parts can replace 644641-5?
There are 13 known substitutes for 644641-5: 7520-00-051-5033, 16002, K16 RED and 10 more. Substitute compatibility should be verified for your specific system.
Is 644641-5 still available?
644641-5 is currently cancelled.
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